- All sections
- G - Physics
- G04C - Electromechanical clocks or watches
- G04C 21/16 - Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
Patent holdings for IPC class G04C 21/16
Total number of patents in this class: 18
10-year publication summary
|
1
|
3
|
0
|
3
|
2
|
1
|
0
|
0
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0
|
0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Viavi Solutions Inc. | 1439 |
4 |
| Samsung Electronics Co., Ltd. | 146346 |
3 |
| Koninklijke Philips N.V. | 24804 |
3 |
| NEC Corporation | 35687 |
1 |
| Koninklijke Philips Electronics N.V. | 9618 |
1 |
| Blancpain S.A. | 117 |
1 |
| CenturyLink Intellectual Property LLC | 1240 |
1 |
| META Watch Oy | 1 |
1 |
| KO, Hyun Seok | 2 |
1 |
| KO, In Seok | 2 |
1 |
| Shenzhen Saiyi Science&technology Development Co., Ltd | 35 |
1 |
| Other owners | 0 |